{"product_id":"htd-5m-pulley-10-35t-teeth-5-30mm-bore-timing-belt-pulley-wheel-for-3d-printer","title":"HTD 5M Pulley 10-35T Teeth 5-30mm bore Timing Belt Pulley Wheel for 3D Printer","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eHTD 5M Timing Belt Pulley — Precision Drive for 3D Printers, CNC \u0026amp; Robotics\u003c\/h2\u003e\n\u003cp\u003eWhen your motion system demands repeatable, slip-free power transfer, a mismatched or worn pulley becomes the weakest link in the chain. Engineers, makers, and machine builders working on 3D printers, CNC routers, laser cutters, and robotic arms need an HTD 5M timing belt pulley that holds tight tolerances across every cycle — without play, wobble, or premature wear.\u003c\/p\u003e\n\u003cp\u003eThese HTD 5M timing belt pulley wheels are machined from aluminum alloy with a natural or anodized finish. The HTD (High Torque Drive) 5M tooth profile — 5 mm pitch — delivers positive engagement with matching 5M belts. Tooth counts span 10 T to 35 T, bore diameters range from 5 mm (≈0.20 in) to 30 mm (≈1.18 in), and compatible belt widths are 15 mm and 20 mm. Each pulley ships with set-screw holes for secure shaft locking.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include: replacing worn drive pulleys on FDM 3D printer X\/Y axes, building custom CNC gantry systems requiring precise linear motion, and assembling compact robotic joint drives where a low-profile HTD 5M aluminum timing pulley keeps weight down without sacrificing torque capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e⚙️\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits standard HTD 5M timing belts with 15 mm or 20 mm width. Verify your shaft diameter against the available bore options (5–30 mm) before ordering.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These HTD 5M Timing Belt Pulleys\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eHTD 5M Tooth Profile\u003c\/strong\u003e\n\u003cp\u003e5 mm pitch curvilinear tooth geometry provides positive, backlash-minimized engagement with HTD 5M belts — critical for accurate positioning on 3D printer and CNC axes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003eWide Tooth \u0026amp; Bore Selection\u003c\/strong\u003e\n\u003cp\u003eChoose from 10 T, 30 T, or 35 T tooth counts and bore diameters from 5 mm to 30 mm, covering the most common shaft sizes in DIY and light-industrial motion systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e \u003cstrong\u003eAluminum Alloy Construction\u003c\/strong\u003e\n\u003cp\u003eLightweight yet rigid aluminum alloy body keeps rotational inertia low — an advantage in high-acceleration 3D printer and pick-and-place applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔐\u003c\/span\u003e \u003cstrong\u003eSet-Screw Shaft Locking\u003c\/strong\u003e\n\u003cp\u003ePre-tapped set-screw holes allow secure, tool-accessible shaft fixation without requiring press-fit tooling, making installation and replacement straightforward.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e \u003cstrong\u003eDual Belt Width Support\u003c\/strong\u003e\n\u003cp\u003eAvailable in 15 mm and 20 mm belt-width variants, letting you match the pulley to your existing belt inventory without sourcing a different belt series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e \u003cstrong\u003eBroad Application Range\u003c\/strong\u003e\n\u003cp\u003eSuited for 3D printers, CNC routers, laser engravers, robotic joints, conveyor prototypes, and any DIY drive system using HTD 5M synchronous belts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — HTD 5M Timing Belt Pulley\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Type\u003c\/th\u003e\n\u003ctd\u003eHTD 5M (5 mm pitch, curvilinear tooth)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTooth Count Options\u003c\/th\u003e\n\u003ctd\u003e10T \/ 30T \/ 35T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore Diameter Range\u003c\/th\u003e\n\u003ctd\u003e5 mm – 30 mm (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Belt Width\u003c\/th\u003e\n\u003ctd\u003e15 mm \/ 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft Fixing Method\u003c\/th\u003e\n\u003ctd\u003eSet screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlange\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHub Length\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right tooth count (10T, 30T, or 35T) for my build?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eTooth count determines the pulley's pitch diameter and, combined with your motor's step angle, the linear resolution of your motion system. Fewer teeth (e.g., 10T) give a smaller pitch diameter and finer resolution per motor step, while more teeth (30T or 35T) increase belt wrap and torque capacity. For most 3D printer X\/Y axes, 20T is standard, but 10T–35T covers a wide range of gear-ratio and speed requirements. Match the tooth count to your belt loop length and desired travel-per-revolution.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich bore size should I select for my stepper motor shaft?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMeasure your motor or drive shaft diameter with calipers before ordering. Common stepper motor shaft diameters are 5 mm and 6.35 mm (1\/4 in). CNC spindle and servo shafts often run 8 mm, 10 mm, 12 mm, or larger. Select the bore that matches your shaft exactly — the set screw compensates for minor fit variation but is not a substitute for the correct bore size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this pulley compatible with GT2 or T5 belts?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNo. These pulleys use the HTD 5M curvilinear tooth profile, which is not interchangeable with GT2 (2 mm pitch) or T5 (5 mm trapezoidal pitch) belts. Always pair HTD 5M pulleys with HTD 5M belts to ensure correct tooth engagement and avoid premature belt wear or skipping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow strong is the aluminum alloy body — will it handle high-torque applications?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAluminum alloy provides a good strength-to-weight ratio suitable for the torque levels typical of NEMA 17 and NEMA 23 stepper motors, as well as light servo drives. For very high-torque industrial applications exceeding the belt's rated load, consider upgrading to a wider belt (20 mm vs. 15 mm) and verifying the belt's dynamic load rating against your system requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill these pulleys corrode or oxidize over time?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAluminum alloy naturally forms a thin oxide layer that provides moderate corrosion resistance in typical indoor environments. For humid or mildly corrosive environments, an anodized finish offers additional protection. These pulleys are not recommended for direct immersion or highly corrosive chemical exposure without additional surface treatment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat belt width should I choose — 15 mm or 20 mm?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eChoose the belt width that matches your existing belt. A 20 mm belt carries higher load capacity than a 15 mm belt of the same pitch, making it preferable for heavier gantries or higher-torque drives. If you are designing a new system, 15 mm is sufficient for most 3D printer axes, while 20 mm suits heavier CNC or robotic applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need any special tools to install this pulley onto my shaft?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNo press-fit tooling is required. Slide the pulley onto the shaft, align it to your desired position, and tighten the set screw with the appropriate hex key (Allen wrench). Ensure the set screw seats against a flat on the shaft where possible to prevent shaft rotation under load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Modulus \u0026amp; Teeth, Bore, and Applicable Belt Width above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"5M - 10T \/ 5 mm \/ 15 mm","offer_id":52444224192786,"sku":"FAS069281x1","price":10.09,"currency_code":"USD","in_stock":true},{"title":"5M - 30T \/ 6.35 mm \/ 15 mm","offer_id":52444224225554,"sku":"FAS069589x1","price":19.18,"currency_code":"USD","in_stock":true},{"title":"5M - 30T \/ 7 mm \/ 15 mm","offer_id":52444224258322,"sku":"FAS069590x1","price":19.18,"currency_code":"USD","in_stock":true},{"title":"5M - 30T \/ 20 mm \/ 15 mm","offer_id":52444224291090,"sku":"FAS069601x1","price":19.33,"currency_code":"USD","in_stock":true},{"title":"5M - 30T \/ 22 mm \/ 15 mm","offer_id":52444224323858,"sku":"FAS069602x1","price":19.33,"currency_code":"USD","in_stock":true},{"title":"5M - 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